A group of Californian teenagers tries to stop a developer from building on their beloved beach - but one of their number is more concerned with stopping a visiting British pop star from charming away his girlfriend. Musical comedy sequel, with Frankie Avalon and Annette Funicello.

A millionaire sets out to prove his theory that his pet chimpanzee is as intelligent as the teenagers who hang out on the local beach, where he is intending to build a retirement home.